This blog post summarises the steps I took to build a GraphQL API with Kotlin and Ktor. It goes the logic needed define routes, execute GraphQL queries and mutations as well as adding JWT authentication with a simple permissions system for access control.

This article serves as a how-to guide for implementing basic video conferencing with WebRTC. WebRTC is a free, open project that provides browsers and mobile applications with Real-Time Communications (RTC) capabilities via simple APIs. The WebRTC components have been optimised to best serve this purpose.